Professor of Law, Villanova University Charles Widger School of Law
Biography
Tuan Samahon teaches and writes in the areas of federal courts and constitutional law. His articles have been published in the Stanford Law Review, Ohio State Law Journal, Hastings Law Journal, William & Mary Bill of Rights Journal, University of Chicago Legal Forum, Denver Law Review, and Villanova Law Review, among others.
Beyond his scholarship, Tuan is engaged in interpreting and fashioning federal constitutional law. He has testified before the U.S. Senate Judiciary Committee, Subcommittee on the Constitution, and has served as counsel in separation-of-powers and Freedom of Information Act litigation in federal trial and appellate courts. Recently, Tuan prevailed against the CIA in a civil action for the release of the draft fifth volume of its secret history of the 1961 Bay of Pigs operation. In addition to representing others, for a book he is researching, Tuan successfully sued the FBI for the release of agency records detailing high-ranking executive and judicial officers' abuses of power.
Tuan received his B.A. from Brigham Young University and his J.D. from Georgetown University Law Center, where he was an Olin Law and Economics Research Fellow and was co-awarded the Olin Prize in Law and Economics. Prior to entering teaching, he clerked for U.S. District Judge Raymond A. Jackson on the Eastern District of Virginia and for U.S. Circuit Judge Jay S. Bybee on the Ninth Circuit. He also practiced in the Washington, D.C. office of Covington & Burling. Professor Samahon was named "Professor of the Year" by his students at the University of Nevada, Las Vegas. He teaches civil procedure, federal courts, and constitutional law subjects.
During spring 2017, Tuan served as a Fulbright scholar with the law faculty at the University of Zagreb, Croatia.
An experienced appellate lawyer, Tim Bishop has argued five cases and briefed more than 60 before the US Supreme Court and has successfully handled dozens of appeals in federal and state appellate courts. He also represents clients in dispositive dismissal, summary judgment, and class certification motions in federal and state trial courts. Tim is co-author of the leading treatise, Supreme Court Practice(9th ed., 2007), a contributor to Federal Appellate Practice (2008), and a prolific author and speaker in the areas of appellate practice, environmental law, and securities law.
Tim has substantial experience in environmental and land use litigation (especially under the Clean Water Act, Endangered Species Act, Clean Air Act, federal and state Takings Clauses, and nuisance law), securities and antitrust litigation, class certification, federal and state tax controversies, labor and employment law, and constitutional appeals and litigation. In the securities area, he has submitted successful party or amicus briefs in most of the Supreme Court’s recent cases, including Dabit, Dura, Tellabs, Billing, Stoneridge, andAmchem, as well as in leading lower-court cases such as In re IPO Securities Litigation and Newton. He has broad experience in defeating class certification in complex litigation.
In the environmental law area Tim has been ranked as a top practitioner by Chambers, Best Lawyers in America, Euromoney's Best of the Best USA, and other publications, which have called him "the go-to guy if you have a serious environmental issue on appeal - he is excellent at spotting issues and is a great appellate advocate" (Chambers 2009). Tim is ranked Band 1 in ChambersUSA 2012 in Environmental Law ("sources unanimously consider Bishop to be an exceptionally strong appellate lawyer") and Legal 500 2012 comments, "Bishop is 'superb and provides exemplary service.'" Tim successfully argued Solid Waste Agency of Northern Cook County in the Supreme Court, in which the Court struck down the Corps of Engineer’s "migratory bird rule." One leading environmental law professor and practitioner has written that Tim is "industry’s leading Supreme Court lawyer in environmental cases."
Since 1995, Tim has been a partner in Mayer Brown LLP’s 60-strong Supreme Court and Appellate Litigation Practice (which "stands head and shoulders above its competitors," according to Chambers USA 2008). Previously, he served as Law Clerk to US Supreme Court Justice William J. Brennan, Jr., and to Judge James L. Oakes, US Court of Appeals for the Second Circuit, and was Staff Counsel and Skadden Fellow with the American Civil Liberties Union. Recently, Tim was named one of Benchmark’s 2013 Appellate Illinois Litigation Stars.Chambers USA (2007) notes Tim’s “high visibility” and “incredible reputation for appellate law,” and he has been described in theLawdragon 500 as "a high court superstar" and a "top advocate" (2006).
Northwestern University School of Law, JD, magna cum laude 1985 Articles Editor, Northwestern University Law Review Order of the Coif; John Henry Wigmore Scholar
University of Oxford, Corpus Christi College 1986 Diploma in Law
University of Oxford, Corpus Christi College, MA 1983
University of Oxford, Corpus Christi College 1979 BA, Law with First Class Honors
Vice President for Legal Affairs, Goldwater Institute
Biography
Timothy Sandefur is the Vice President for Legal Affairs at the Goldwater Institute’s Scharf-Norton Center for Constitutional Litigation and holds the Duncan Chair in Constitutional Government. He litigates to promote economic liberty, private property rights, free speech, and other crucial values in states across the country.
Timothy is the author of nine books, including most recently You Don’t Own Me: Individualism and the Culture of Liberty (2025), and Freedom’s Furies: How Isabel Paterson, Rose Wilder Lane, and Ayn Rand Found Liberty in an Age of Darkness (2022), as well as more than 50 scholarly articles on a wide variety of legal subjects. A frequent guest on radio and television, he is well known to radio audiences as “Tim the Lawyer” on The Armstrong & Getty Show, and his writings have appeared in Reason, National Review, The Weekly Standard, The Wall Street Journal, and The Objective Standard, where he is a contributing editor. He has taught classes at Pepperdine University, McGeorge School of Law, George Mason University’s Antonin Scalia Law School, and Arizona State University, where he held the 2023-24 Barry Goldwater Chair in American Institutions.
He is an Adjunct Scholar with the Cato Institute and is a graduate of Hillsdale College and Chapman University School of Law.
Judge, United States Court of Appeals, Tenth Circuit
Biography
Judge Tymkovich, of Denver, Colorado, was nominated to the Tenth Circuit Court of Appeals by President George W. Bush, and confirmed in April 2003. On October 1, 2015 he became Chief Circuit Judge and held this position until October 2022. He was Chair of the US Judicial Conference’s Committee on Judicial Resources from 2011 to 2015. Since 2008 he has been an adjunct professor of law at the University of Colorado School of Law, teaching Election Law. He is a member of the Doyle Inn of Court, the American Law Institute, and the International Society of Barristers. Since he joined the Circuit, Judge Tymkovich has hosted judicial delegations from Russia, Kazakhstan, and Afghanistan, and has also represented the United States in programs at Kiev and Yalta in Ukraine.
Alexander M. Bickel Professor of Public Law, Yale Law School
Biography
Degrees from Davidson College, B.A. summa cum laude, 1973; Harvard University, M.A., 1974; Yale Law School, J.D, 1978. Clerked for Edward Weinfeld, 1978-79; Attorney at Shea & Gardner, 1979-82; Law Professor since 1982, tenured at Georgetown and Yale, visiting professor at Stanford, NYU, Toronto, Harvard, Columbia, Penn, Fordham, Vanderbilt. Author of casebooks on legislation and sexuality, gender and law, as well as monographs on statutory interpretation and the rights of sexual and gender minorities. Author of dozens of articles, by one empirical count a top ten most cited law professors.
John F. Manning is Harvard University’s Provost and the former Morgan and Helen Chu Dean and Professor of Law at Harvard Law School. Manning joined the HLS faculty in 2004, and was Bruce Bromley Professor of Law from 2007–2017 and Deputy Dean from 2013–2017. Prior to coming to Harvard, Manning was the Michael I. Sovern Professor of Law at Columbia Law School, where he began teaching in 1994. Manning teaches administrative law, federal courts, legislation and regulation, separation of powers, and statutory interpretation. His writing focuses on statutory interpretation and structural constitutional law. Manning is a co-editor of Hart & Wechsler’s Federal Courts and the Federal System (6th ed., 2009) (with Richard Fallon, Daniel Meltzer, and David Shapiro), and Legislation and Regulation (2d ed., 2013) (with Matthew Stephenson). Prior to entering teaching, Manning served as an assistant to the Solicitor General in the U.S. Department of Justice (1991-94), an associate in the D.C. office of Gibson, Dunn & Crutcher (1989-91), and an attorney-advisor in the Office of Legal Counsel in the U.S. Department of Justice (1986-88). He served as a law clerk to Hon. Antonin Scalia on the Supreme Court of the United States (1988-89) and to Hon. Robert H. Bork on the U.S. Court of Appeals for the D.C. Circuit (1985-86). Manning graduated from Harvard Law School in 1985 and Harvard College in 1982. He is a member of the American Academy of Arts and Sciences.
Ronald N. Boyce Presidential Professor of Criminal Law and University Distinguished Professor of Law, The University of Utah College of Law
Biography
Paul G. Cassell is an internationally recognized legal scholar on criminal and civil justice, crime victims' rights, constitutional law, evidence, judicial process, and other legal issues. Cassell received a B.A. (1981) and a J.D. (1984) from Stanford University, where he graduated Order of the Coif and was President of the Stanford Law Review. He clerked for then-Judge Antonin Scalia when Scalia was on the U.S. Court of Appeals for the D.C. Circuit (1984-85) and for Chief Justice Warren Burger of the United States Supreme Court (1985-86). Cassell then served as an Associate Deputy Attorney General with the U.S. Justice Department (1986-88) and as an Assistant U.S. Attorney for the Eastern District of Virginia (1988 to 1991). Cassell joined the faculty at the College of Law in 1992, where he taught full-time until he was sworn in as a U.S. District Court Judge for the District of Utah in July 2002. In November 2007, he resigned his judgeship to return full-time to the College of Law to teach, write, and litigate concerning issues relating to crime victims' rights and criminal and civil justice reform. Professor Cassell has also published numerous law review articles in journals such as the Stanford Law Review, the Michigan Law Review, the Harvard Journal of Law and Public Policy, and the Journal of Criminal Law and Criminology. He is a co-author of the nation's only law school textbook on crime victims' rights, Victims in Criminal Procedure (various editions, most recently in its fifth edition published in 2025). Professor Cassell has argued pro bono cases relating to criminal procedure and crime victims' rights before the United States Supreme Court, the 2nd, 4th, 5th, 6th, 7th, 8th, 9th, 10th, 11th, and D.C. Circuits (including the 5th and 11th Circuits en banc), several U.S. District Courts, the Utah Supreme Court, and the Arizona Supreme Court. In 2020, Cassell received the Ronald Wilson Reagan Public Policy Award - National Crime Victims' Service Award from the U.S. Department of Justice. Cassell is a member of the American Law Institute, a fellow of the American Bar Foundation, and an inaugural member of the Council on Criminal Justice. He is also an occasional blogger at The Volokh Conspiracy.
David Lat is a lawyer turned writer. He publishes Original Jurisdiction, a newsletter on Substack about law and legal affairs, and he writes for newspapers and magazines, including the New York Times, Washington Post, and Wall Street Journal. Prior to launching Original Jurisdiction, David founded Above the Law, one of the nation's most widely read legal news websites, and Underneath Their Robes, a popular blog about federal judges that he wrote under a pseudonym. He is also the author of a novel set in the world of the federal courts, Supreme Ambitions. Before entering the media world, David worked as a federal prosecutor in Newark, New Jersey; a litigation associate at Wachtell, Lipton, Rosen & Katz, in New York; and a law clerk to Judge Diarmuid F. O’Scannlain of the U.S. Court of Appeals for the Ninth Circuit. David graduated from Harvard College and Yale Law School, where he served as an editor of the Yale Law Journal.